tstbchsq.m

数字通信第四版原书的例程

add_block('built-in/Outport',[sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down/out_2']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down/out_2']],...
		'Port','2',...
		'position',[355,80,375,100])

add_block('built-in/Mux',[sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down/Mux']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down/Mux']],...
		'inputs','[in_size 1 1]',...
		'position',[110,59,140,101])

add_block('built-in/Demux',[sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down/Demux']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down/Demux']],...
		'outputs','[out_size 1]',...
		'position',[290,62,330,98])

add_block('built-in/S-Function',[sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down/S-function']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down/S-function']],...
		'function name','regdown',...
		'parameters','ini_idx, idx_inc, thrshld, cycl_flag',...
		'position',[185,70,235,90])

add_block('built-in/Inport',[sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down/in_1']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down/in_1']],...
		'position',[15,55,35,75])

add_block('built-in/Inport',[sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down/in_2']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down/in_2']],...
		'Port','2',...
		'position',[40,70,60,90])

add_block('built-in/Inport',[sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down/in_3']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down/in_3']],...
		'Port','3',...
		'position',[65,85,85,105])
add_line([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down']],[240,80;285,80])
add_line([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down']],[145,80;180,80])
add_line([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down']],[40,65;105,65])
add_line([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down']],[335,70;385,70])
add_line([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down']],[65,80;105,80])
add_line([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down']],[335,90;350,90])
add_line([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down']],[90,95;105,95])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down']],...
		'Mask Display','Triggered\nbuffer dn',...
		'Mask Type','Triggered buffer down.')
set_param([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down']],...
		'Mask Dialogue','Triggered buffer down.|Input signal vector size:|Initial index (integer vector):|Increament for each index (integer vector):|Trigger threshold:|When index exceed register size, 1 for cyclic ouput, 0 for zero output:')
set_param([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down']],...
		'Mask Translate','in_size=@1; ini_idx=@2; idx_inc=@3; thrshld=@4; cycl_flag=@5; out_size=length(ini_idx);')
set_param([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down']],...
		'Mask Help','The register inside this block take the signal vector at the 1st inport by the raising edge of the second inport. The fisrt outport outputs a signal vector at the raising edge of the third inport.')
set_param([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down']],...
		'Mask Entries','k\/0\/1\/.1\/0\/')


%     Finished composite block ['Binary sequence',13,'BCH decode/Triggered',13,'buffer down'].

set_param([sys,'/',['Binary sequence',13,'BCH decode/Triggered',13,'buffer down']],...
		'BackGround',3,...
		'hide name',0,...
		'position',[445,28,505,72])


%     Subsystem  ['Binary sequence',13,'BCH decode/Register-shift'].

new_system([sys,'/',['Binary sequence',13,'BCH decode/Register-shift']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Register-shift']],'Location',[19,610,374,740])

add_block('built-in/Outport',[sys,'/',['Binary sequence',13,'BCH decode/Register-shift/out_2']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Register-shift/out_2']],...
		'Port','2',...
		'position',[330,70,350,90])

add_block('built-in/Outport',[sys,'/',['Binary sequence',13,'BCH decode/Register-shift/out_1']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Register-shift/out_1']],...
		'position',[330,55,350,75])

add_block('built-in/Mux',[sys,'/',['Binary sequence',13,'BCH decode/Register-shift/Mux']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Register-shift/Mux']],...
		'inputs','2',...
		'position',[80,56,115,89])

add_block('built-in/S-Function',[sys,'/',['Binary sequence',13,'BCH decode/Register-shift/S-function']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Register-shift/S-function']],...
		'function name','regshift',...
		'parameters','shft_out, thrhld',...
		'position',[150,65,200,85])

add_block('built-in/Demux',[sys,'/',['Binary sequence',13,'BCH decode/Register-shift/Demux']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Register-shift/Demux']],...
		'outputs','[len_rg, 1]',...
		'position',[260,55,300,90])

add_block('built-in/Inport',[sys,'/',['Binary sequence',13,'BCH decode/Register-shift/in_1']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Register-shift/in_1']],...
		'position',[10,55,30,75])

add_block('built-in/Inport',[sys,'/',['Binary sequence',13,'BCH decode/Register-shift/in_2']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Register-shift/in_2']],...
		'Port','2',...
		'position',[40,70,60,90])
add_line([sys,'/',['Binary sequence',13,'BCH decode/Register-shift']],[65,80;75,80])
add_line([sys,'/',['Binary sequence',13,'BCH decode/Register-shift']],[35,65;75,65])
add_line([sys,'/',['Binary sequence',13,'BCH decode/Register-shift']],[305,80;325,80])
add_line([sys,'/',['Binary sequence',13,'BCH decode/Register-shift']],[305,65;325,65])
add_line([sys,'/',['Binary sequence',13,'BCH decode/Register-shift']],[205,75;255,75])
add_line([sys,'/',['Binary sequence',13,'BCH decode/Register-shift']],[120,75;145,75])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Register-shift']],...
		'Mask Display','Register\nshift',...
		'Mask Type','Register-shift')
set_param([sys,'/',['Binary sequence',13,'BCH decode/Register-shift']],...
		'Mask Dialogue','Store and shift the input from 1st port by raising edge of the pulse from second port.|Vector specify ouput delay length(non-negative integer):|Threshold for the pulse signal from the 2nd port:')
set_param([sys,'/',['Binary sequence',13,'BCH decode/Register-shift']],...
		'Mask Translate','shft_out=@1; thrhld=@2; len_rg=length(@1);')
set_param([sys,'/',['Binary sequence',13,'BCH decode/Register-shift']],...
		'Mask Help','This block store the 1st inport signal at the raising edge of 2nd inport pulse. The 1st outport outputs a vector with its size same as the the size of the 1st entree of this block. The maximum delay is the register size of this block. The second outport output a positive pulse at the begining of entire register refreshment.')
set_param([sys,'/',['Binary sequence',13,'BCH decode/Register-shift']],...
		'Mask Entries','[n:-1:1]\/.1\/')


%     Finished composite block ['Binary sequence',13,'BCH decode/Register-shift'].

set_param([sys,'/',['Binary sequence',13,'BCH decode/Register-shift']],...
		'BackGround',3,...
		'hide name',0,...
		'position',[185,25,240,65])

add_block('built-in/Inport',[sys,'/',['Binary sequence',13,'BCH decode/sequential',13,'code-word-in']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/sequential',13,'code-word-in']],...
		'hide name',0,...
		'position',[100,25,120,45])

add_block('built-in/Outport',[sys,'/',['Binary sequence',13,'BCH decode/sequential',13,'message-out']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/sequential',13,'message-out']],...
		'hide name',0,...
		'position',[560,30,580,50])


%     Subsystem  ['Binary sequence',13,'BCH decode/Pulses deivide',13,'same sample time'].

new_system([sys,'/',['Binary sequence',13,'BCH decode/Pulses deivide',13,'same sample time']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Pulses deivide',13,'same sample time']],'Location',[55,192,283,286])

add_block('built-in/Outport',[sys,'/',['Binary sequence',13,'BCH decode/Pulses deivide',13,'same sample time/Outport']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Pulses deivide',13,'same sample time/Outport']],...
		'position',[160,35,180,55])

add_block('built-in/S-Function',[sys,'/',['Binary sequence',13,'BCH decode/Pulses deivide',13,'same sample time/S-function1']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Pulses deivide',13,'same sample time/S-function1']],...
		'function name','homopuls',...
		'parameters','samp_time, out_divid, offset',...
		'position',[40,31,105,59])
add_line([sys,'/',['Binary sequence',13,'BCH decode/Pulses deivide',13,'same sample time']],[110,45;155,45])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Pulses deivide',13,'same sample time']],...
		'Mask Display','Vector\nPulse',...
		'Mask Type','Pulse generator')
set_param([sys,'/',['Binary sequence',13,'BCH decode/Pulses deivide',13,'same sample time']],...
		'Mask Dialogue','Vector pulses with sample rate of each pulse as Sample_time ./Divider. |Sample time (scalar, sec):|Divider (integer vector):|Offset (have same dimension as Divider):')
set_param([sys,'/',['Binary sequence',13,'BCH decode/Pulses deivide',13,'same sample time']],...
		'Mask Translate','samp_time=@1;out_divid=@2;offset=@3;')
set_param([sys,'/',['Binary sequence',13,'BCH decode/Pulses deivide',13,'same sample time']],...
		'Mask Help','This block generator a vector pulses. The output length is the same as the vector defined in "Divider". The ith element of the output has the sample time Sample_time/Divider(i). All elements in "Divider" must be integers.')
set_param([sys,'/',['Binary sequence',13,'BCH decode/Pulses deivide',13,'same sample time']],...
		'Mask Entries','samp*k\/[n, k]\/[0 0]\/')


%     Finished composite block ['Binary sequence',13,'BCH decode/Pulses deivide',13,'same sample time'].

set_param([sys,'/',['Binary sequence',13,'BCH decode/Pulses deivide',13,'same sample time']],...
		'ForeGround',2,...
		'hide name',0,...
		'position',[25,81,85,119])

add_block('built-in/Demux',[sys,'/',['Binary sequence',13,'BCH decode/Demux']])
set_param([sys,'/',['Binary sequence',13,'BCH decode/Demux']],...
		'hide name',0,...
		'outputs','2',...
		'position',[110,80,150,115])
add_line([sys,'/',['Binary sequence',13,'BCH decode']],[155,105;425,105;425,65;440,65])
add_line([sys,'/',['Binary sequence',13,'BCH decode']],[510,40;555,40])
add_line([sys,'/',['Binary sequence',13,'BCH decode']],[90,100;105,100])
add_line([sys,'/',['Binary sequence',13,'BCH decode']],[125,35;180,35])
add_line([sys,'/',['Binary sequence',13,'BCH decode']],[350,35;440,35])
add_line([sys,'/',['Binary sequence',13,'BCH decode']],[350,55;365,55])
add_line([sys,'/',['Binary sequence',13,'BCH decode']],[245,35;270,35])
add_line([sys,'/',['Binary sequence',13,'BCH decode']],[245,55;260,55;260,100;415,100;415,50;440,50])
add_line([sys,'/',['Binary sequence',13,'BCH decode']],[245,55;270,55])
add_line([sys,'/',['Binary sequence',13,'BCH decode']],[155,90;160,90;160,55;180,55])
set_param([sys,'/',['Binary sequence',13,'BCH decode']],...
		'Mask Display','plot(0,0,100,100,x,y);BCH de',...
		'Mask Type','Sequence I/O BCH decode')
set_param([sys,'/',['Binary sequence',13,'BCH decode']],...
		'Mask Dialogue','BCH decode with codeword length N,\nmessage length K, and error-correction capability T. (N,K,T) must be a valid BCH code combination.|Codeword length N (N=2^M-1. M is a >2 integer):|Message length K (check BCHPOLY for valid K):|Error-correction capability T (0 for unknown):|Output sample time T_out (sec):')
set_param([sys,'/',['Binary sequence',13,'BCH decode']],...
		'Mask Translate','n=@1;k=@2;t=@3;samp=@4;[x,y]=codeicon(4);')
set_param([sys,'/',['Binary sequence',13,'BCH decode']],...
		'Mask Help','This block decodes length N binary codeword into length K message using BCH code. The block uses sequential input/output format. The input sequence sample time is K*T_out/N. The block causes a K*T_out delay. The second outport outputs the number of errors detected in the process. A negative value indicates the block found more error in the codeword than T.')
set_param([sys,'/',['Binary sequence',13,'BCH decode']],...
		'Mask Entries','N_bch_demo\/K_bch_demo\/T_bch_demo\/1/K_bch_demo\/')


%     Finished composite block ['Binary sequence',13,'BCH decode'].

set_param([sys,'/',['Binary sequence',13,'BCH decode']],...
		'ForeGround',2,...
		'hide name',0,...
		'position',[405,58,485,102])


%     Subsystem  'Counter'.

new_system([sys,'/','Counter'])
set_param([sys,'/','Counter'],'Location',[128,50,722,374])


%     Subsystem  ['Counter/Rising edge',13,'detector1'].

new_system([sys,'/',['Counter/Rising edge',13,'detector1']])
set_param([sys,'/',['Counter/Rising edge',13,'detector1']],'Location',[303,485,692,659])

add_block('built-in/Outport',[sys,'/',['Counter/Rising edge',13,'detector1/out_1']])
set_param([sys,'/',['Counter/Rising edge',13,'detector1/out_1']],...
		'position',[340,25,360,45])

add_block('built-in/Relational Operator',[sys,'/',['Counter/Rising edge',13,'detector1/Relational',13,'Operator1']])
set_param([sys,'/',['Counter/Rising edge',13,'detector1/Relational',13,'Operator1']],...
		'position',[200,88,230,112])

add_block('built-in/Relational Operator',[sys,'/',['Counter/Rising edge',13,'detector1/Relational',13,'Operator2']])
set_param([sys,'/',['Counter/Rising edge',13,'detector1/Relational',13,'Operator2']],...
		'Operator','>',...
		'position',[265,23,295,47])

add_block('built-in/Constant',[sys,'/',['Counter/Rising edge',13,'detector1/one1']])
set_param([sys,'/',['Counter/Rising edge',13,'detector1/one1']],...
		'Value','thld',...
		'position',[30,135,60,155])